Skip to main content
. 2025 Jul 15;7(17):5384–5400. doi: 10.1039/d5na00267b

Table 1. Experimental hydrogen generation activities of the as-synthesized photocatalystsa.

Sr. no. Photocatalysts H2 evolution (mmol g−1) H2 evolution (mmol g−1 h−1)
DI-H2O seawater DI-H2O seawater
1 g-C3N4 1.86 7.38 0.31 1.230
2 r–TiO2 4.98 11.36 0.83 1.893
3 r–TiO2/g-C3N4 11.82 15.54 1.97 2.59
4 Ag@g-C3N4 17.52 28.26 2.92 4.71
5 Ag@r–TiO2 20.28 32.04 3.38 5.34
6 Ag0.5@r–TiO2/g-C3N4 24.18 42.30 4.03 7.05
7 Ag1.0@r–TiO2/g-C3N4 30.66 49.62 5.11 8.27
8 Ag1.5@r–TiO2/g-C3N4 33.72 59.94 5.62 9.99
9 Ag2.0@r–TiO2/g-C3N4 39.78 70.56 6.63 11.76
10 Ag2.5@r–TiO2/g-C3N4 36.24 66.06 6.04 11.31
a

Optimized system includes concentrated sunlight irradiation, 4 mg dose of photocatalysts; pH = 8.0; temperature = 35 °C.